Perhaps you should try some spelling variations:
oral communication » personal communication
communication 4.1 » communication 4.3, communication 7.1, communication 1
ai developpement » au developpement, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
il afrique » l afrique, en afrique
does oral » does formal, does oil
4.1 ai » 2.1 ai, 1.1 ai, 3.1 ai

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologien de variation _ does oral communication 4.1 ai developpement il afrique.*.